Medium Math Class 9 Level 7

A bag has 10 red 7 blue and 3 green balls. What is the probability of not drawing a red ball?

एक थैले में 10 लाल 7 नीली और 3 हरी गेंदें हैं तो लाल गेंद न निकलने की प्रायिकता क्या है?

A 1/2 / 1/2 B 2/5 / 2/5 C 3/5 / 3/5 D 7/20 / 7/20
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Correct Answer

A. 1/2 / 1/2

Explanation

There are 20 balls and 10 are not red so the probability is 10/20 = 1/2.

कुल गेंदें 20 हैं और लाल नहीं होने वाली गेंदें 10 हैं इसलिए प्रायिकता 10/20 = 1/2 है।

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